<div dir="ltr">You mean 5061? The packets are encrypted, i will try to capture them with ngrep and decrypt with the private key using wireshark and post the decrypted data to <br><div><div>gist.<br></div><div><br><div class="gmail_quote">---------- Forwarded message ----------<br>From: <b class="gmail_sendername">Eric Tamme</b> <span dir="ltr"><<a href="mailto:eric@uphreak.com">eric@uphreak.com</a>></span><br>Date: 2015-02-14 3:47 GMT+02:00<br>Subject: Re: [OpenSIPS-Users] Opensips + RtpProxy: media stream timed out while starting<br>To: OpenSIPS users mailling list <<a href="mailto:users@lists.opensips.org">users@lists.opensips.org</a>><br><br><br><div><p dir="ltr">The message about late back means it is probably not routing.</p>
<p dir="ltr">Install ngrep and run</p>
<p dir="ltr">ngrep -qtd any -W byline port 5060</p>
<p dir="ltr">On OpenSIPS during the call. Paste the output to a gist on <a href="http://gist.github.com" target="_blank">gist.github.com</a> and include the link in your next reply.</p><span class=""><font color="#888888">
<p dir="ltr">-Eric</p>
</font></span><div class="gmail_quote"><span class="">On Feb 13, 2015, at 6:19 PM, Semen Golubcov <<a href="mailto:thegolub4@gmail.com" target="_blank">thegolub4@gmail.com</a>> wrote:</span><div><div class="h5"><blockquote class="gmail_quote" style="margin:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div dir="ltr"><div><div><div><div><div>Hello. Should i answer you here or send my replies to the user list? <br><br></div>I looked up the sip trace and syslog, apparently there are no retransmissions i think and there is no messages about "no matching transaction exists". <br><br>Feb 14 01:19:43 martin /usr/local/sbin/opensips[14061]: DBG:core:parse_msg: method: <ACK><br><span>Feb 14 01:19:43 martin /usr/local/sbin/opensips[14061]: DBG:core:parse_msg: uri: <sip:<a href="tel:53049768" target="_blank">53049768</a>@92.xx.xx.xx(my_Public_ip (client) ):49190;transport=tls></span><br>Feb 14 01:19:43 martin /usr/local/sbin/opensips[14061]: DBG:core:parse_msg: version: <SIP/2.0><br>Feb 14 01:19:43 martin /usr/local/sbin/opensips[14061]: DBG:core:parse_headers: flags=2<br>Feb 14 01:19:43 martin /usr/local/sbin/opensips[14061]: DBG:core:parse_via_param: found param type 235, <rport> = <n/a>; state=6<br>Feb 14 01:19:43 martin /usr/local/sbin/opensips[14061]: DBG:core:parse_via_param: found param type 232, <branch> = <z9hG4bKPjb29aaf78cf594541aeb97e0b801a4075>; state=6<br>Feb 14 01:19:43 martin /usr/local/sbin/opensips[14061]: DBG:core:parse_via_param: found param type 237, <alias> = <n/a>; state=16<br>Feb 14 01:19:43 martin /usr/local/sbin/opensips[14061]: DBG:core:parse_via: end of header reached, state=5<br>Feb 14 01:19:43 martin /usr/local/sbin/opensips[14061]: DBG:core:parse_headers: via found, flags=2<br>Feb 14 01:19:43 martin /usr/local/sbin/opensips[14061]: DBG:core:parse_headers: this is the first via<br>Feb 14 01:19:43 martin /usr/local/sbin/opensips[14061]: DBG:core:receive_msg: After parse_msg...<br>Feb 14 01:19:43 martin /usr/local/sbin/opensips[14061]: DBG:core:receive_msg: preparing to run routing scripts...<br>Feb 14 01:19:43 martin /usr/local/sbin/opensips[14061]: DBG:sl:sl_filter_ACK: to late to be a local ACK!<br><br></div>In this example i was calling calling from one user to another on my machine (so the ip will always be the same for both clients). I guess here:<br>Feb 14 01:19:43 martin /usr/local/sbin/opensips[14061]: DBG:core:parse_msg: method: <ACK><br><span>Feb
14 01:19:43 martin /usr/local/sbin/opensips[14061]:
DBG:core:parse_msg: uri: <sip:<a href="tel:53049768" target="_blank">53049768</a>@92.xx.xx.xx(my_Public_ip
(client) ):49190;transport=tls></span><br>Feb 14 01:19:43 martin /usr/local/sbin/opensips[14061]: DBG:core:parse_msg: version: <SIP/2.0><br>Feb 14 01:19:43 martin /usr/local/sbin/opensips[14061]: DBG:core:parse_headers: flags=2<br><br></div>The server get's the ack from my client, and than opensips says:<br><br>"Apr 5 23:06:22 ser /usr/local/sbin/ser[6282]: DEBUG : sl_filter_ACK: to <br>late to be a local ACK!"<br><br></div>Does this mean that ACK is getting lost? I'll attach the syslog just in case.<br><br></div></div>
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